81284476

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2087}}^1$

素因数の和:2218

約数の個数: 48

約数和(自身を含む): 176795136

約数和(自身を除く): 95510660

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 107, 182, 214, 364, 428, 749, 1391, 1498, 2087, 2782, 2996, 4174, 5564, 8348, 9737, 14609, 19474, 27131, 29218, 38948, 54262, 58436, 108524, 189917, 223309, 379834, 446618, 759668, 893236, 1563163, 2903017, 3126326, 5806034, 6252652, 11612068, 20321119, 40642238, 81284476]

約数ペア:

[(1, 81284476), (2, 40642238), (4, 20321119), (7, 11612068), (13, 6252652), (14, 5806034), (26, 3126326), (28, 2903017), (52, 1563163), (91, 893236), (107, 759668), (182, 446618), (214, 379834), (364, 223309), (428, 189917), (749, 108524), (1391, 58436), (1498, 54262), (2087, 38948), (2782, 29218), (2996, 27131), (4174, 19474), (5564, 14609), (8348, 9737)]